Finding the Fourth Proportional to 8,160,466.18, 12,240,256.30 and 2,480,247.62
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Solution
The fourth proportional to 8,160,466.18, 12,240,256.30 and 2,480,247.62 is: 3,720,236.80
Step by Step Solution
- Step 1: Write the proportion equation
8,160,466.18 : 12,240,256.30 = 2,480,247.62 : x - Step 2: Convert to fraction form
8,160,466.18/12,240,256.30 = 2,480,247.62/x - Step 3: Cross multiply
8,160,466.18x = 12,240,256.30 × 2,480,247.62 - Step 4: Simplify right side
8,160,466.18x = 30,358,866,603,615.51 - Step 5: Solve for x
x = 30,358,866,603,615.51/8,160,466.18 - Step 6: Final answer
x = 3,720,236.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.